40221234032 has 40 divisors (see below), whose sum is σ = 89659068000. Its totient is φ = 17121975552.

The previous prime is 40221234013. The next prime is 40221234049. The reversal of 40221234032 is 23043212204.

It is a junction number, because it is equal to n+sod(n) for n = 40221233989 and 40221234007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188407 + ... + 1221782.

It is an arithmetic number, because the mean of its divisors is an integer number (2241476700).

Almost surely, 2^40221234032 is an apocalyptic number.

It is an amenable number.

40221234032 is an abundant number, since it is smaller than the sum of its proper divisors (49437833968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40221234032 is a wasteful number, since it uses less digits than its factorization.

40221234032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410353 (or 2410347 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 40221234032 its reverse (23043212204), we get a palindrome (63264446236).

The spelling of 40221234032 in words is "forty billion, two hundred twenty-one million, two hundred thirty-four thousand, thirty-two".